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Merge branch 'release/2.6'

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This commit is contained in:
Mark van Renswoude 2021-09-02 13:58:33 +02:00
commit 8f158fdaa9
34 changed files with 999 additions and 446 deletions
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6
Examples/03-FlowRequestResponse/SimpleFlowController.cs
View File

@ -31,6 +31,12 @@ namespace _03_FlowRequestResponse
// Public fields will be stored.
public DateTime RequestStartTime;
// Be sure not to accidentally use any public fields that aren't serializable, for example:
//public TaskCompletionSource<bool> SerializationFail = new TaskCompletionSource<bool>();
//
// In the Newtonsoft.Json version at the time of writing, this will not result in an exception but instead hang the flow!
public SimpleFlowController(IFlowProvider flowProvider, IExampleState exampleState)
{

8
07-ParallelizationTest/07-ParallelizationTest.csproj → Examples/07-ParallelizationTest/07-ParallelizationTest.csproj
View File

@ -11,10 +11,10 @@
</ItemGroup>
<ItemGroup>
<ProjectReference Include="..\Examples\ExampleLib\ExampleLib.csproj" />
<ProjectReference Include="..\Examples\Messaging.TapetiExample\Messaging.TapetiExample.csproj" />
<ProjectReference Include="..\Tapeti.SimpleInjector\Tapeti.SimpleInjector.csproj" />
<ProjectReference Include="..\Tapeti\Tapeti.csproj" />
<ProjectReference Include="..\ExampleLib\ExampleLib.csproj" />
<ProjectReference Include="..\Messaging.TapetiExample\Messaging.TapetiExample.csproj" />
<ProjectReference Include="..\..\Tapeti.SimpleInjector\Tapeti.SimpleInjector.csproj" />
<ProjectReference Include="..\..\Tapeti\Tapeti.csproj" />
</ItemGroup>
</Project>

0
07-ParallelizationTest/IMessageParallelization.cs → Examples/07-ParallelizationTest/IMessageParallelization.cs
View File

0
07-ParallelizationTest/ParallelizationMessageController.cs → Examples/07-ParallelizationTest/ParallelizationMessageController.cs
View File

10
07-ParallelizationTest/Program.cs → Examples/07-ParallelizationTest/Program.cs
View File

@ -72,14 +72,16 @@ namespace _07_ParallelizationTest
var publisher = dependencyResolver.Resolve<IPublisher>();
Console.WriteLine($"Publishing {MessageCount * RepeatBatch} messages...");
Console.WriteLine($"Publishing first {MessageCount} of {MessageCount * RepeatBatch} messages...");
await PublishMessages(publisher, MessageCount * RepeatBatch);
await PublishMessages(publisher, MessageCount);
Console.WriteLine("Consuming messages...");
Console.WriteLine("Consuming messages while publishing the rest...");
await subscriber.Resume();
await PublishMessages(publisher, MessageCount * (RepeatBatch - 1));
await waitForDone();
}

6
Tapeti.Cmd/Commands/ShovelCommand.cs
View File

@ -22,10 +22,14 @@ namespace Tapeti.Cmd.Commands
// No more messages on the queue
break;
// Since RabbitMQ client 6 we need to copy the body before calling another channel method
// like BasicPublish, or the published body will be corrupted
var bodyCopy = result.Body.ToArray();
rateLimiter.Execute(() =>
{
targetChannel.BasicPublish("", TargetQueueName, result.BasicProperties, result.Body);
targetChannel.BasicPublish("", TargetQueueName, result.BasicProperties, bodyCopy);
messageCount++;
if (RemoveMessages)

137
Tapeti.Cmd/Mock/MockBasicProperties.cs
View File

@ -79,91 +79,88 @@ namespace Tapeti.Cmd.Mock
throw new NotImplementedException();
}
public bool IsAppIdPresent()
{
throw new NotImplementedException();
}
public bool IsAppIdPresent() => appIdPresent;
public bool IsClusterIdPresent() => clusterIdPresent;
public bool IsContentEncodingPresent() => contentEncodingPresent;
public bool IsContentTypePresent() => contentTypePresent;
public bool IsCorrelationIdPresent() => correlationIdPresent;
public bool IsDeliveryModePresent() => deliveryModePresent;
public bool IsExpirationPresent() => expirationPresent;
public bool IsHeadersPresent() => headersPresent;
public bool IsMessageIdPresent() => messageIdPresent;
public bool IsPriorityPresent() => priorityPresent;
public bool IsReplyToPresent() => replyToPresent;
public bool IsTimestampPresent() => timestampPresent;
public bool IsTypePresent() => typePresent;
public bool IsUserIdPresent() => userIdPresent;
public bool IsClusterIdPresent()
{
throw new NotImplementedException();
}
private bool appIdPresent;
private string appId;
public bool IsContentEncodingPresent()
{
throw new NotImplementedException();
}
private bool clusterIdPresent;
private string clusterId;
public bool IsContentTypePresent()
{
throw new NotImplementedException();
}
private bool contentEncodingPresent;
private string contentEncoding;
public bool IsCorrelationIdPresent()
{
throw new NotImplementedException();
}
private bool contentTypePresent;
private string contentType;
public bool IsDeliveryModePresent()
{
throw new NotImplementedException();
}
private bool correlationIdPresent;
private string correlationId;
public bool IsExpirationPresent()
{
throw new NotImplementedException();
}
private bool deliveryModePresent;
private byte deliveryMode;
public bool IsHeadersPresent()
{
throw new NotImplementedException();
}
private bool expirationPresent;
private string expiration;
public bool IsMessageIdPresent()
{
throw new NotImplementedException();
}
private bool headersPresent;
private IDictionary<string, object> headers;
private bool messageIdPresent;
private string messageId;
public bool IsPriorityPresent()
{
throw new NotImplementedException();
}
private bool priorityPresent;
private byte priority;
public bool IsReplyToPresent()
{
throw new NotImplementedException();
}
private bool replyToPresent;
private string replyTo;
public bool IsTimestampPresent()
{
throw new NotImplementedException();
}
private bool timestampPresent;
private AmqpTimestamp timestamp;
public bool IsTypePresent()
{
throw new NotImplementedException();
}
private bool typePresent;
private string type;
public bool IsUserIdPresent()
{
throw new NotImplementedException();
}
private bool userIdPresent;
private string userId;
public string AppId { get; set; }
public string ClusterId { get; set; }
public string ContentEncoding { get; set; }
public string ContentType { get; set; }
public string CorrelationId { get; set; }
public byte DeliveryMode { get; set; }
public string Expiration { get; set; }
public IDictionary<string, object> Headers { get; set; }
public string MessageId { get; set; }
public string AppId { get => appId; set => SetValue(out appId, out appIdPresent, value); }
public string ClusterId { get => clusterId; set => SetValue(out clusterId, out clusterIdPresent, value); }
public string ContentEncoding { get => contentEncoding; set => SetValue(out contentEncoding, out contentEncodingPresent, value); }
public string ContentType { get => contentType; set => SetValue(out contentType, out contentTypePresent, value); }
public string CorrelationId { get => correlationId; set => SetValue(out correlationId, out correlationIdPresent, value); }
public byte DeliveryMode { get => deliveryMode; set => SetValue(out deliveryMode, out deliveryModePresent, value); }
public string Expiration { get => expiration; set => SetValue(out expiration, out expirationPresent, value); }
public IDictionary<string, object> Headers { get => headers; set => SetValue(out headers, out headersPresent, value); }
public string MessageId { get => messageId; set => SetValue(out messageId, out messageIdPresent, value); }
public bool Persistent { get; set; }
public byte Priority { get; set; }
public string ReplyTo { get; set; }
public byte Priority { get => priority; set => SetValue(out priority, out priorityPresent, value); }
public string ReplyTo { get => replyTo; set => SetValue(out replyTo, out replyToPresent, value); }
public PublicationAddress ReplyToAddress { get; set; }
public AmqpTimestamp Timestamp { get; set; }
public string Type { get; set; }
public string UserId { get; set; }
public AmqpTimestamp Timestamp { get => timestamp; set => SetValue(out timestamp, out timestampPresent, value); }
public string Type { get => type; set => SetValue(out type, out typePresent, value); }
public string UserId { get => userId; set => SetValue(out userId, out userIdPresent, value); }
private static void SetValue<T>(out T field, out bool present, T value)
{
field = value;
present = true;
}
}
}

218
Tapeti.Cmd/Program.cs
View File

@ -2,9 +2,11 @@
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Text;
using CommandLine;
using RabbitMQ.Client;
using RabbitMQ.Client.Exceptions;
using Tapeti.Cmd.Commands;
using Tapeti.Cmd.Mock;
using Tapeti.Cmd.RateLimiter;
@ -85,6 +87,12 @@ namespace Tapeti.Cmd
}
[Verb("example", HelpText = "Output an example SingleFileJSON formatted message.")]
public class ExampleOptions
{
}
[Verb("shovel", HelpText = "Reads messages from a queue and publishes them to another queue, optionally to another RabbitMQ server.")]
public class ShovelOptions : CommonOptions
{
@ -131,22 +139,67 @@ namespace Tapeti.Cmd
}
[Verb("example", HelpText = "Output an example SingleFileJSON formatted message.")]
public class ExampleOptions
[Verb("declarequeue", HelpText = "Declares a durable queue without arguments, compatible with Tapeti.")]
public class DeclareQueueOptions : CommonOptions
{
[Option('q', "queue", Required = true, HelpText = "The name of the queue to declare.")]
public string QueueName { get; set; }
[Option('b', "bindings", Required = false, HelpText = "One or more bindings to add to the queue. Format: <exchange>:<routingKey>")]
public IEnumerable<string> Bindings { get; set; }
}
[Verb("removequeue", HelpText = "Removes a durable queue.")]
public class RemoveQueueOptions : CommonOptions
{
[Option('q', "queue", Required = true, HelpText = "The name of the queue to remove.")]
public string QueueName { get; set; }
[Option("confirm", HelpText = "Confirms the removal of the specified queue. If not provided, an interactive prompt will ask for confirmation.", Default = false)]
public bool Confirm { get; set; }
[Option("confirmpurge", HelpText = "Confirms the removal of the specified queue even if there still are messages in the queue. If not provided, an interactive prompt will ask for confirmation.", Default = false)]
public bool ConfirmPurge { get; set; }
}
[Verb("bindqueue", HelpText = "Add a binding to a queue.")]
public class BindQueueOptions : CommonOptions
{
[Option('q', "queue", Required = true, HelpText = "The name of the queue to add the binding(s) to.")]
public string QueueName { get; set; }
[Option('b', "bindings", Required = false, HelpText = "One or more bindings to add to the queue. Format: <exchange>:<routingKey>")]
public IEnumerable<string> Bindings { get; set; }
}
[Verb("unbindqueue", HelpText = "Remove a binding from a queue.")]
public class UnbindQueueOptions : CommonOptions
{
[Option('q', "queue", Required = true, HelpText = "The name of the queue to remove the binding(s) from.")]
public string QueueName { get; set; }
[Option('b', "bindings", Required = false, HelpText = "One or more bindings to remove from the queue. Format: <exchange>:<routingKey>")]
public IEnumerable<string> Bindings { get; set; }
}
public static int Main(string[] args)
{
return Parser.Default.ParseArguments<ExportOptions, ImportOptions, ShovelOptions, PurgeOptions, ExampleOptions>(args)
return Parser.Default.ParseArguments<ExportOptions, ImportOptions, ShovelOptions, PurgeOptions, ExampleOptions,
DeclareQueueOptions, RemoveQueueOptions, BindQueueOptions, UnbindQueueOptions>(args)
.MapResult(
(ExportOptions o) => ExecuteVerb(o, RunExport),
(ImportOptions o) => ExecuteVerb(o, RunImport),
(ExampleOptions o) => ExecuteVerb(o, RunExample),
(ShovelOptions o) => ExecuteVerb(o, RunShovel),
(PurgeOptions o) => ExecuteVerb(o, RunPurge),
(ExampleOptions o) => ExecuteVerb(o, RunExample),
(DeclareQueueOptions o) => ExecuteVerb(o, RunDeclareQueue),
(RemoveQueueOptions o) => ExecuteVerb(o, RunRemoveQueue),
(BindQueueOptions o) => ExecuteVerb(o, RunBindQueue),
(UnbindQueueOptions o) => ExecuteVerb(o, RunUnbindQueue),
errs =>
{
if (!Debugger.IsAttached)
@ -305,6 +358,33 @@ namespace Tapeti.Cmd
}
private static void RunExample(ExampleOptions options)
{
using (var messageSerializer = new SingleFileJSONMessageSerializer(Console.OpenStandardOutput(), false, new UTF8Encoding(false)))
{
messageSerializer.Serialize(new Message
{
Exchange = "example",
Queue = "example.queue",
RoutingKey = "example.routing.key",
DeliveryTag = 42,
Properties = new MockBasicProperties
{
ContentType = "application/json",
DeliveryMode = 2,
Headers = new Dictionary<string, object>
{
{ "classType", Encoding.UTF8.GetBytes("Tapeti.Cmd.Example:Tapeti.Cmd") }
},
ReplyTo = "reply.queue",
Timestamp = new AmqpTimestamp(new DateTimeOffset(DateTime.UtcNow).ToUnixTimeSeconds())
},
Body = Encoding.UTF8.GetBytes("{ \"Hello\": \"world!\" }")
});
}
}
private static void RunShovel(ShovelOptions options)
{
int messageCount;
@ -403,34 +483,120 @@ namespace Tapeti.Cmd
}
Console.WriteLine($"{messageCount} message{(messageCount != 1 ? "s" : "")} purged from '{options.QueueName}'.");
}
private static void RunExample(ExampleOptions options)
private static void RunDeclareQueue(DeclareQueueOptions options)
{
using (var messageSerializer = new SingleFileJSONMessageSerializer(Console.OpenStandardOutput(), false, new UTF8Encoding(false)))
// Parse early to fail early
var bindings = ParseBindings(options.Bindings);
using (var connection = GetConnection(options))
using (var channel = connection.CreateModel())
{
messageSerializer.Serialize(new Message
{
Exchange = "example",
Queue = "example.queue",
RoutingKey = "example.routing.key",
DeliveryTag = 42,
Properties = new MockBasicProperties
{
ContentType = "application/json",
DeliveryMode = 2,
Headers = new Dictionary<string, object>
{
{ "classType", Encoding.UTF8.GetBytes("Tapeti.Cmd.Example:Tapeti.Cmd") }
},
ReplyTo = "reply.queue",
Timestamp = new AmqpTimestamp(new DateTimeOffset(DateTime.UtcNow).ToUnixTimeSeconds())
},
Body = Encoding.UTF8.GetBytes("{ \"Hello\": \"world!\" }")
});
channel.QueueDeclare(options.QueueName, true, false, false);
foreach (var (exchange, routingKey) in bindings)
channel.QueueBind(options.QueueName, exchange, routingKey);
}
Console.WriteLine($"Queue {options.QueueName} declared with {bindings.Length} binding{(bindings.Length != 1 ? "s" : "")}.");
}
private static void RunRemoveQueue(RemoveQueueOptions options)
{
if (!options.Confirm)
{
Console.Write($"Do you want to remove the queue '{options.QueueName}'? (Y/N) ");
var answer = Console.ReadLine();
if (string.IsNullOrEmpty(answer) || !answer.Equals("Y", StringComparison.CurrentCultureIgnoreCase))
return;
}
uint messageCount;
try
{
using (var connection = GetConnection(options))
using (var channel = connection.CreateModel())
{
messageCount = channel.QueueDelete(options.QueueName, true, true);
}
}
catch (OperationInterruptedException e)
{
if (e.ShutdownReason.ReplyCode == 406)
{
if (!options.ConfirmPurge)
{
Console.Write($"There are messages remaining. Do you want to purge the queue '{options.QueueName}'? (Y/N) ");
var answer = Console.ReadLine();
if (string.IsNullOrEmpty(answer) || !answer.Equals("Y", StringComparison.CurrentCultureIgnoreCase))
return;
}
using (var connection = GetConnection(options))
using (var channel = connection.CreateModel())
{
messageCount = channel.QueueDelete(options.QueueName, true, false);
}
}
else
throw;
}
Console.WriteLine(messageCount == 0
? $"Empty or non-existent queue '{options.QueueName}' removed."
: $"{messageCount} message{(messageCount != 1 ? "s" : "")} purged while removing '{options.QueueName}'.");
}
private static void RunBindQueue(BindQueueOptions options)
{
var bindings = ParseBindings(options.Bindings);
using (var connection = GetConnection(options))
using (var channel = connection.CreateModel())
{
foreach (var (exchange, routingKey) in bindings)
channel.QueueBind(options.QueueName, exchange, routingKey);
}
Console.WriteLine($"{bindings.Length} binding{(bindings.Length != 1 ? "s" : "")} added to queue {options.QueueName}.");
}
private static void RunUnbindQueue(UnbindQueueOptions options)
{
var bindings = ParseBindings(options.Bindings);
using (var connection = GetConnection(options))
using (var channel = connection.CreateModel())
{
foreach (var (exchange, routingKey) in bindings)
channel.QueueUnbind(options.QueueName, exchange, routingKey);
}
Console.WriteLine($"{bindings.Length} binding{(bindings.Length != 1 ? "s" : "")} removed from queue {options.QueueName}.");
}
private static Tuple<string, string>[] ParseBindings(IEnumerable<string> bindings)
{
return bindings
.Select(b =>
{
var parts = b.Split(':');
if (parts.Length != 2)
throw new InvalidOperationException($"Invalid binding format: {b}");
return new Tuple<string, string>(parts[0], parts[1]);
})
.ToArray();
}
}
}

54
Tapeti.Flow/Default/FlowStore.cs
View File

@ -1,8 +1,10 @@
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Threading.Tasks;
using Tapeti.Config;
using Tapeti.Flow.FlowHelpers;
namespace Tapeti.Flow.Default
@ -28,8 +30,10 @@ namespace Tapeti.Flow.Default
private readonly ConcurrentDictionary<Guid, CachedFlowState> flowStates = new ConcurrentDictionary<Guid, CachedFlowState>();
private readonly ConcurrentDictionary<Guid, Guid> continuationLookup = new ConcurrentDictionary<Guid, Guid>();
private readonly LockCollection<Guid> locks = new LockCollection<Guid>(EqualityComparer<Guid>.Default);
private HashSet<string> validatedMethods = null;
private readonly IFlowRepository repository;
private readonly ITapetiConfig config;
private volatile bool inUse;
private volatile bool loaded;
@ -37,9 +41,10 @@ namespace Tapeti.Flow.Default
/// <summary>
/// </summary>
public FlowStore(IFlowRepository repository)
public FlowStore(IFlowRepository repository, ITapetiConfig config)
{
this.repository = repository;
this.config = config;
}
@ -54,16 +59,53 @@ namespace Tapeti.Flow.Default
flowStates.Clear();
continuationLookup.Clear();
foreach (var flowStateRecord in await repository.GetStates<FlowState>())
validatedMethods = new HashSet<string>();
try
{
flowStates.TryAdd(flowStateRecord.Key, new CachedFlowState(flowStateRecord.Value, true));
foreach (var flowStateRecord in await repository.GetStates<FlowState>())
{
flowStates.TryAdd(flowStateRecord.Key, new CachedFlowState(flowStateRecord.Value, true));
foreach (var continuation in flowStateRecord.Value.Continuations)
continuationLookup.GetOrAdd(continuation.Key, flowStateRecord.Key);
foreach (var continuation in flowStateRecord.Value.Continuations)
{
ValidateContinuation(flowStateRecord.Key, continuation.Key, continuation.Value);
continuationLookup.GetOrAdd(continuation.Key, flowStateRecord.Key);
}
}
}
finally
{
validatedMethods = null;
}
loaded = true;
}
private void ValidateContinuation(Guid flowId, Guid continuationId, ContinuationMetadata metadata)
{
// We could check all the things that are required for a continuation or converge method, but this should suffice
// for the common scenario where you change code without realizing that it's signature has been persisted
if (validatedMethods.Add(metadata.MethodName))
{
var methodInfo = MethodSerializer.Deserialize(metadata.MethodName);
if (methodInfo == null)
throw new InvalidDataException($"Flow ID {flowId} references continuation method '{metadata.MethodName}' which no longer exists (continuation Id = {continuationId})");
var binding = config.Bindings.ForMethod(methodInfo);
if (binding == null)
throw new InvalidDataException($"Flow ID {flowId} references continuation method '{metadata.MethodName}' which no longer has a binding as a message handler (continuation Id = {continuationId})");
}
if (string.IsNullOrEmpty(metadata.ConvergeMethodName) || !validatedMethods.Add(metadata.ConvergeMethodName))
return;
var convergeMethodInfo = MethodSerializer.Deserialize(metadata.ConvergeMethodName);
if (convergeMethodInfo == null)
throw new InvalidDataException($"Flow ID {flowId} references converge method '{metadata.ConvergeMethodName}' which no longer exists (continuation Id = {continuationId})");
// Converge methods are not message handlers themselves
}
/// <inheritdoc />
@ -119,7 +161,7 @@ namespace Tapeti.Flow.Default
if (flowLock == null)
throw new ObjectDisposedException("FlowStateLock");
return Task.FromResult(cachedFlowState.FlowState?.Clone());
return Task.FromResult(cachedFlowState?.FlowState?.Clone());
}
public async Task StoreFlowState(FlowState newFlowState, bool persistent)

34
Tapeti.Flow/FlowHelpers/MethodSerializer.cs
View File

@ -1,4 +1,6 @@
using System.Reflection;
using System;
using System.Reflection;
using System.Text.RegularExpressions;
namespace Tapeti.Flow.FlowHelpers
{
@ -15,5 +17,35 @@ namespace Tapeti.Flow.FlowHelpers
{
return method.Name + '@' + method.DeclaringType?.Assembly.GetName().Name + ':' + method.DeclaringType?.FullName;
}
private static readonly Regex DeserializeRegex = new Regex("^(?<method>.+?)@(?<assembly>.+?):(?<type>.+?)$");
/// <summary>
/// Deserializes the serialized method representation back into it's MethodInfo, or null if not found.
/// </summary>
/// <param name="serializedMethod"></param>
public static MethodInfo Deserialize(string serializedMethod)
{
var match = DeserializeRegex.Match(serializedMethod);
if (!match.Success)
return null;
Assembly assembly;
try
{
assembly = Assembly.Load(match.Groups["assembly"].Value);
if (assembly == null)
return null;
}
catch
{
return null;
}
var declaringType = assembly.GetType(match.Groups["type"].Value);
return declaringType?.GetMethod(match.Groups["method"].Value);
}
}
}

9
Tapeti.Serilog/TapetiSeriLogger.cs
View File

@ -1,4 +1,5 @@
using System;
using System.Collections.Generic;
using Tapeti.Config;
using ISerilogLogger = Serilog.ILogger;
@ -93,6 +94,14 @@ namespace Tapeti.Serilog
seriLogger.Information("Tapeti: declaring {queueType} queue {queueName}", durable ? "durable" : "dynamic", queueName);
}
/// <inheritdoc />
public void QueueExistsWarning(string queueName, Dictionary<string, string> arguments)
{
seriLogger.Warning("Tapeti: durable queue {queueName} exists with incompatible x-arguments ({arguments}) and will not be redeclared, queue will be consumed as-is",
queueName,
arguments);
}
/// <inheritdoc />
public void QueueBind(string queueName, bool durable, string exchange, string routingKey)
{

2
Tapeti.sln
View File

@ -59,7 +59,7 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Tapeti.Cmd", "Tapeti.Cmd\Ta
EndProject
Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "06-StatelessRequestResponse", "Examples\06-StatelessRequestResponse\06-StatelessRequestResponse.csproj", "{152227AA-3165-4550-8997-6EA80C84516E}"
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "07-ParallelizationTest", "07-ParallelizationTest\07-ParallelizationTest.csproj", "{E69E6BA5-68E7-4A4D-A38C-B2526AA66E96}"
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "07-ParallelizationTest", "Examples\07-ParallelizationTest\07-ParallelizationTest.csproj", "{E69E6BA5-68E7-4A4D-A38C-B2526AA66E96}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution

4
Tapeti/Config/ITapetiConfig.cs
View File

@ -54,9 +54,7 @@ namespace Tapeti.Config
/// <summary>
/// Determines if durable queues are verified at startup if DeclareDurableQueues is disabled.
/// Defaults to true. Disable if you have queues with additional properties like a deadletter
/// exchange, which do not correspond to Tapeti's configuration, as these will cause an error
/// while verifying.
/// Defaults to true.
/// </summary>
bool VerifyDurableQueues { get; }
}

125
Tapeti/Connection/TapetiChannel.cs Normal file
View File

@ -0,0 +1,125 @@
using System;
using System.Threading.Tasks;
using RabbitMQ.Client;
using RabbitMQ.Client.Exceptions;
using Tapeti.Tasks;
namespace Tapeti.Connection
{
internal interface ITapetiChannelModelProvider
{
void WithChannel(Action<IModel> operation);
void WithRetryableChannel(Action<IModel> operation);
}
/// <summary>
/// Represents both a RabbitMQ Client Channel (IModel) as well as it's associated single-thread task queue.
/// Access to the IModel is limited by design to enforce this relationship.
/// </summary>
internal class TapetiChannel
{
private readonly Func<IModel> modelFactory;
private readonly object taskQueueLock = new();
private SingleThreadTaskQueue taskQueue;
private readonly ModelProvider modelProvider;
public TapetiChannel(Func<IModel> modelFactory)
{
this.modelFactory = modelFactory;
modelProvider = new ModelProvider(this);
}
public async Task Reset()
{
SingleThreadTaskQueue capturedTaskQueue;
lock (taskQueueLock)
{
capturedTaskQueue = taskQueue;
taskQueue = null;
}
if (capturedTaskQueue == null)
return;
await capturedTaskQueue.Add(() => { });
capturedTaskQueue.Dispose();
}
public Task Queue(Action<IModel> operation)
{
return GetTaskQueue().Add(() =>
{
modelProvider.WithChannel(operation);
});
}
public Task QueueRetryable(Action<IModel> operation)
{
return GetTaskQueue().Add(() =>
{
modelProvider.WithRetryableChannel(operation);
});
}
public Task QueueWithProvider(Func<ITapetiChannelModelProvider, Task> operation)
{
return GetTaskQueue().Add(async () =>
{
await operation(modelProvider);
});
}
private SingleThreadTaskQueue GetTaskQueue()
{
lock (taskQueueLock)
{
return taskQueue ??= new SingleThreadTaskQueue();
}
}
private class ModelProvider : ITapetiChannelModelProvider
{
private readonly TapetiChannel owner;
public ModelProvider(TapetiChannel owner)
{
this.owner = owner;
}
public void WithChannel(Action<IModel> operation)
{
operation(owner.modelFactory());
}
public void WithRetryableChannel(Action<IModel> operation)
{
while (true)
{
try
{
operation(owner.modelFactory());
break;
}
catch (AlreadyClosedException)
{
}
}
}
}
}
}

547
Tapeti/Connection/TapetiClient.cs
View File

@ -13,10 +13,16 @@ using RabbitMQ.Client.Exceptions;
using Tapeti.Config;
using Tapeti.Default;
using Tapeti.Exceptions;
using Tapeti.Tasks;
namespace Tapeti.Connection
{
internal enum TapetiChannelType
{
Consume,
Publish
}
/// <inheritdoc />
/// <summary>
/// Implementation of ITapetiClient for the RabbitMQ Client library
@ -39,23 +45,27 @@ namespace Tapeti.Connection
public IConnectionEventListener ConnectionEventListener { get; set; }
private readonly Lazy<SingleThreadTaskQueue> taskQueue = new Lazy<SingleThreadTaskQueue>();
private readonly TapetiChannel consumeChannel;
private readonly TapetiChannel publishChannel;
private readonly HttpClient managementClient;
// These fields are for use in the taskQueue only!
// These fields must be locked using connectionLock
private readonly object connectionLock = new();
private RabbitMQ.Client.IConnection connection;
private IModel consumeChannelModel;
private IModel publishChannelModel;
private bool isClosing;
private bool isReconnect;
private IModel channelInstance;
private ulong lastDeliveryTag;
private DateTime connectedDateTime;
private readonly HttpClient managementClient;
private readonly HashSet<string> deletedQueues = new HashSet<string>();
// These fields must be locked, since the callbacks for BasicAck/BasicReturn can run in a different thread
private readonly object confirmLock = new object();
private readonly Dictionary<ulong, ConfirmMessageInfo> confirmMessages = new Dictionary<ulong, ConfirmMessageInfo>();
private readonly Dictionary<string, ReturnInfo> returnRoutingKeys = new Dictionary<string, ReturnInfo>();
// These fields are for use in a single TapetiChannel's queue only!
private ulong lastDeliveryTag;
private readonly HashSet<string> deletedQueues = new();
// These fields must be locked using confirmLock, since the callbacks for BasicAck/BasicReturn can run in a different thread
private readonly object confirmLock = new();
private readonly Dictionary<ulong, ConfirmMessageInfo> confirmMessages = new();
private readonly Dictionary<string, ReturnInfo> returnRoutingKeys = new();
private class ConfirmMessageInfo
@ -79,6 +89,9 @@ namespace Tapeti.Connection
logger = config.DependencyResolver.Resolve<ILogger>();
consumeChannel = new TapetiChannel(() => GetModel(TapetiChannelType.Consume));
publishChannel = new TapetiChannel(() => GetModel(TapetiChannelType.Publish));
var handler = new HttpClientHandler
{
@ -100,7 +113,8 @@ namespace Tapeti.Connection
if (string.IsNullOrEmpty(routingKey))
throw new ArgumentNullException(nameof(routingKey));
await taskQueue.Value.Add(async () =>
await GetTapetiChannel(TapetiChannelType.Publish).QueueWithProvider(async channelProvider =>
{
Task<int> publishResultTask = null;
var messageInfo = new ConfirmMessageInfo
@ -110,7 +124,7 @@ namespace Tapeti.Connection
};
WithRetryableChannel(channel =>
channelProvider.WithRetryableChannel(channel =>
{
DeclareExchange(channel, exchange);
@ -169,15 +183,18 @@ namespace Tapeti.Connection
var replyCode = publishResultTask.Result;
// There is no RabbitMQ.Client.Framing.Constants value for this "No route" reply code
// at the time of writing...
if (replyCode == 312)
throw new NoRouteException(
$"Mandatory message with exchange '{exchange}' and routing key '{routingKey}' does not have a route");
if (replyCode > 0)
throw new NoRouteException(
$"Mandatory message with exchange '{exchange}' and routing key '{routingKey}' could not be delivered, reply code: {replyCode}");
switch (replyCode)
{
// There is no RabbitMQ.Client.Framing.Constants value for this "No route" reply code
// at the time of writing...
case 312:
throw new NoRouteException(
$"Mandatory message with exchange '{exchange}' and routing key '{routingKey}' does not have a route");
case > 0:
throw new NoRouteException(
$"Mandatory message with exchange '{exchange}' and routing key '{routingKey}' could not be delivered, reply code: {replyCode}");
}
});
}
@ -194,7 +211,7 @@ namespace Tapeti.Connection
string consumerTag = null;
await QueueWithRetryableChannel(channel =>
await GetTapetiChannel(TapetiChannelType.Consume).QueueRetryable(channel =>
{
if (cancellationToken.IsCancellationRequested)
return;
@ -215,7 +232,7 @@ namespace Tapeti.Connection
// No need for a retryable channel here, if the connection is lost
// so is the consumer.
await Queue(channel =>
await GetTapetiChannel(TapetiChannelType.Consume).Queue(channel =>
{
channel.BasicCancel(consumerTag);
});
@ -224,7 +241,7 @@ namespace Tapeti.Connection
private async Task Respond(ulong deliveryTag, ConsumeResult result)
{
await Queue(channel =>
await GetTapetiChannel(TapetiChannelType.Consume).Queue(channel =>
{
// No need for a retryable channel here, if the connection is lost we can't
// use the deliveryTag anymore.
@ -250,21 +267,42 @@ namespace Tapeti.Connection
}
private async Task<bool> GetDurableQueueDeclareRequired(string queueName)
{
var existingQueue = await GetQueueInfo(queueName);
if (existingQueue == null)
return true;
if (!existingQueue.Durable || existingQueue.AutoDelete || existingQueue.Exclusive)
throw new InvalidOperationException($"Durable queue {queueName} already exists with incompatible parameters, durable = {existingQueue.Durable} (expected True), autoDelete = {existingQueue.AutoDelete} (expected False), exclusive = {existingQueue.Exclusive} (expected False)");
if (existingQueue.Arguments.Count <= 0)
return true;
(logger as IBindingLogger)?.QueueExistsWarning(queueName, existingQueue.Arguments);
return false;
}
/// <inheritdoc />
public async Task DurableQueueDeclare(CancellationToken cancellationToken, string queueName, IEnumerable<QueueBinding> bindings)
{
var declareRequired = await GetDurableQueueDeclareRequired(queueName);
var existingBindings = (await GetQueueBindings(queueName)).ToList();
var currentBindings = bindings.ToList();
var bindingLogger = logger as IBindingLogger;
await Queue(channel =>
await GetTapetiChannel(TapetiChannelType.Consume).Queue(channel =>
{
if (cancellationToken.IsCancellationRequested)
return;
bindingLogger?.QueueDeclare(queueName, true, false);
channel.QueueDeclare(queueName, true, false, false);
if (declareRequired)
{
bindingLogger?.QueueDeclare(queueName, true, false);
channel.QueueDeclare(queueName, true, false, false);
}
foreach (var binding in currentBindings.Except(existingBindings))
{
@ -284,7 +322,10 @@ namespace Tapeti.Connection
/// <inheritdoc />
public async Task DurableQueueVerify(CancellationToken cancellationToken, string queueName)
{
await Queue(channel =>
if (!await GetDurableQueueDeclareRequired(queueName))
return;
await GetTapetiChannel(TapetiChannelType.Consume).Queue(channel =>
{
if (cancellationToken.IsCancellationRequested)
return;
@ -302,7 +343,7 @@ namespace Tapeti.Connection
{
uint deletedMessages = 0;
await Queue(channel =>
await GetTapetiChannel(TapetiChannelType.Consume).Queue(channel =>
{
if (cancellationToken.IsCancellationRequested)
return;
@ -316,7 +357,7 @@ namespace Tapeti.Connection
}
await taskQueue.Value.Add(async () =>
await GetTapetiChannel(TapetiChannelType.Consume).QueueWithProvider(async channelProvider =>
{
bool retry;
do
@ -343,8 +384,10 @@ namespace Tapeti.Connection
// includes the GetQueueInfo, the next time around it should have Messages > 0
try
{
var channel = GetChannel();
channel.QueueDelete(queueName, false, true);
channelProvider.WithChannel(channel =>
{
channel.QueueDelete(queueName, false, true);
});
deletedQueues.Add(queueName);
(logger as IBindingLogger)?.QueueObsolete(queueName, true, 0);
@ -364,10 +407,11 @@ namespace Tapeti.Connection
if (existingBindings.Count > 0)
{
var channel = GetChannel();
foreach (var binding in existingBindings)
channel.QueueUnbind(queueName, binding.Exchange, binding.RoutingKey);
channelProvider.WithChannel(channel =>
{
foreach (var binding in existingBindings)
channel.QueueUnbind(queueName, binding.Exchange, binding.RoutingKey);
});
}
(logger as IBindingLogger)?.QueueObsolete(queueName, false, queueInfo.Messages);
@ -383,7 +427,7 @@ namespace Tapeti.Connection
string queueName = null;
var bindingLogger = logger as IBindingLogger;
await Queue(channel =>
await GetTapetiChannel(TapetiChannelType.Consume).Queue(channel =>
{
if (cancellationToken.IsCancellationRequested)
return;
@ -407,7 +451,7 @@ namespace Tapeti.Connection
/// <inheritdoc />
public async Task DynamicQueueBind(CancellationToken cancellationToken, string queueName, QueueBinding binding)
{
await Queue(channel =>
await GetTapetiChannel(TapetiChannelType.Consume).Queue(channel =>
{
if (cancellationToken.IsCancellationRequested)
return;
@ -422,32 +466,46 @@ namespace Tapeti.Connection
/// <inheritdoc />
public async Task Close()
{
if (!taskQueue.IsValueCreated)
return;
IModel capturedConsumeModel;
IModel capturedPublishModel;
RabbitMQ.Client.IConnection capturedConnection;
await taskQueue.Value.Add(() =>
lock (connectionLock)
{
isClosing = true;
capturedConsumeModel = consumeChannelModel;
capturedPublishModel = publishChannelModel;
capturedConnection = connection;
if (channelInstance != null)
consumeChannelModel = null;
publishChannelModel = null;
connection = null;
}
// Empty the queue
await consumeChannel.Reset();
await publishChannel.Reset();
// No need to close the channels as the connection will be closed
capturedConsumeModel.Dispose();
capturedPublishModel.Dispose();
// ReSharper disable once InvertIf
if (capturedConnection != null)
{
try
{
channelInstance.Dispose();
channelInstance = null;
capturedConnection.Close();
}
// ReSharper disable once InvertIf
if (connection != null)
finally
{
connection.Dispose();
connection = null;
capturedConnection.Dispose();
}
taskQueue.Value.Dispose();
});
}
}
private static readonly List<HttpStatusCode> TransientStatusCodes = new List<HttpStatusCode>
private static readonly List<HttpStatusCode> TransientStatusCodes = new()
{
HttpStatusCode.GatewayTimeout,
HttpStatusCode.RequestTimeout,
@ -457,6 +515,24 @@ namespace Tapeti.Connection
private class ManagementQueueInfo
{
[JsonProperty("name")]
public string Name { get; set; }
[JsonProperty("vhost")]
public string VHost { get; set; }
[JsonProperty("durable")]
public bool Durable { get; set; }
[JsonProperty("auto_delete")]
public bool AutoDelete { get; set; }
[JsonProperty("exclusive")]
public bool Exclusive { get; set; }
[JsonProperty("arguments")]
public Dictionary<string, string> Arguments { get; set; }
[JsonProperty("messages")]
public uint Messages { get; set; }
}
@ -505,7 +581,7 @@ namespace Tapeti.Connection
public string PropertiesKey { get; set; }
}
private async Task<IEnumerable<QueueBinding>> GetQueueBindings(string queueName)
{
var virtualHostPath = Uri.EscapeDataString(connectionParams.VirtualHost);
@ -543,41 +619,45 @@ namespace Tapeti.Connection
private async Task<T> WithRetryableManagementAPI<T>(string path, Func<HttpResponseMessage, Task<T>> handleResponse)
{
var requestUri = new Uri($"http://{connectionParams.HostName}:{connectionParams.ManagementPort}/api/{path}");
// Workaround for: https://github.com/dotnet/runtime/issues/23581#issuecomment-354391321
// "localhost" can cause a 1 second delay *per call*. Not an issue in production scenarios, but annoying while debugging.
var hostName = connectionParams.HostName;
if (hostName.Equals("localhost", StringComparison.InvariantCultureIgnoreCase))
hostName = "127.0.0.1";
var requestUri = new Uri($"http://{hostName}:{connectionParams.ManagementPort}/api/{path}");
using (var request = new HttpRequestMessage(HttpMethod.Get, requestUri))
using var request = new HttpRequestMessage(HttpMethod.Get, requestUri);
var retryDelayIndex = 0;
while (true)
{
var retryDelayIndex = 0;
while (true)
try
{
try
{
var response = await managementClient.SendAsync(request);
return await handleResponse(response);
}
catch (TimeoutException)
{
}
catch (WebException e)
{
if (!(e.Response is HttpWebResponse response))
throw;
if (!TransientStatusCodes.Contains(response.StatusCode))
throw;
}
await Task.Delay(ExponentialBackoff[retryDelayIndex]);
if (retryDelayIndex < ExponentialBackoff.Length - 1)
retryDelayIndex++;
var response = await managementClient.SendAsync(request);
return await handleResponse(response);
}
catch (TimeoutException)
{
}
catch (WebException e)
{
if (!(e.Response is HttpWebResponse response))
throw;
if (!TransientStatusCodes.Contains(response.StatusCode))
throw;
}
await Task.Delay(ExponentialBackoff[retryDelayIndex]);
if (retryDelayIndex < ExponentialBackoff.Length - 1)
retryDelayIndex++;
}
}
private readonly HashSet<string> declaredExchanges = new HashSet<string>();
private readonly HashSet<string> declaredExchanges = new();
private void DeclareExchange(IModel channel, string exchange)
{
@ -593,163 +673,182 @@ namespace Tapeti.Connection
}
private async Task Queue(Action<IModel> operation)
private TapetiChannel GetTapetiChannel(TapetiChannelType channelType)
{
await taskQueue.Value.Add(() =>
{
var channel = GetChannel();
operation(channel);
});
return channelType == TapetiChannelType.Publish
? publishChannel
: consumeChannel;
}
private async Task QueueWithRetryableChannel(Action<IModel> operation)
{
await taskQueue.Value.Add(() =>
{
WithRetryableChannel(operation);
});
}
/// <remarks>
/// Only call this from a task in the taskQueue to ensure IModel is only used
/// by a single thread, as is recommended in the RabbitMQ .NET Client documentation.
/// </remarks>
private void WithRetryableChannel(Action<IModel> operation)
private IModel GetModel(TapetiChannelType channelType)
{
while (true)
lock (connectionLock)
{
try
var channel = channelType == TapetiChannelType.Publish
? publishChannelModel
: consumeChannelModel;
if (channel != null && channel.IsOpen)
return channel;
// If the Disconnect quickly follows the Connect (when an error occurs that is reported back by RabbitMQ
// not related to the connection), wait for a bit to avoid spamming the connection
if ((DateTime.UtcNow - connectedDateTime).TotalMilliseconds <= MinimumConnectedReconnectDelay)
Thread.Sleep(ReconnectDelay);
var connectionFactory = new ConnectionFactory
{
operation(GetChannel());
break;
}
catch (AlreadyClosedException)
{
}
}
}
HostName = connectionParams.HostName,
Port = connectionParams.Port,
VirtualHost = connectionParams.VirtualHost,
UserName = connectionParams.Username,
Password = connectionParams.Password,
AutomaticRecoveryEnabled = false,
TopologyRecoveryEnabled = false,
RequestedHeartbeat = TimeSpan.FromSeconds(30)
};
/// <remarks>
/// Only call this from a task in the taskQueue to ensure IModel is only used
/// by a single thread, as is recommended in the RabbitMQ .NET Client documentation.
/// </remarks>
private IModel GetChannel()
{
if (channelInstance != null && channelInstance.IsOpen)
return channelInstance;
// If the Disconnect quickly follows the Connect (when an error occurs that is reported back by RabbitMQ
// not related to the connection), wait for a bit to avoid spamming the connection
if ((DateTime.UtcNow - connectedDateTime).TotalMilliseconds <= MinimumConnectedReconnectDelay)
Thread.Sleep(ReconnectDelay);
var connectionFactory = new ConnectionFactory
{
HostName = connectionParams.HostName,
Port = connectionParams.Port,
VirtualHost = connectionParams.VirtualHost,
UserName = connectionParams.Username,
Password = connectionParams.Password,
AutomaticRecoveryEnabled = false,
TopologyRecoveryEnabled = false,
RequestedHeartbeat = TimeSpan.FromSeconds(30)
};
if (connectionParams.ClientProperties != null)
foreach (var pair in connectionParams.ClientProperties)
{
if (connectionFactory.ClientProperties.ContainsKey(pair.Key))
connectionFactory.ClientProperties[pair.Key] = Encoding.UTF8.GetBytes(pair.Value);
else
connectionFactory.ClientProperties.Add(pair.Key, Encoding.UTF8.GetBytes(pair.Value));
}
while (true)
{
try
{
logger.Connect(new ConnectContext(connectionParams, isReconnect));
connection = connectionFactory.CreateConnection();
channelInstance = connection.CreateModel();
if (channelInstance == null)
throw new BrokerUnreachableException(null);
if (config.Features.PublisherConfirms)
if (connectionParams.ClientProperties != null)
foreach (var pair in connectionParams.ClientProperties)
{
lastDeliveryTag = 0;
Monitor.Enter(confirmLock);
try
{
foreach (var pair in confirmMessages)
pair.Value.CompletionSource.SetCanceled();
confirmMessages.Clear();
}
finally
{
Monitor.Exit(confirmLock);
}
channelInstance.ConfirmSelect();
if (connectionFactory.ClientProperties.ContainsKey(pair.Key))
connectionFactory.ClientProperties[pair.Key] = Encoding.UTF8.GetBytes(pair.Value);
else
connectionFactory.ClientProperties.Add(pair.Key, Encoding.UTF8.GetBytes(pair.Value));
}
if (connectionParams.PrefetchCount > 0)
channelInstance.BasicQos(0, connectionParams.PrefetchCount, false);
channelInstance.ModelShutdown += (sender, e) =>
{
ConnectionEventListener?.Disconnected(new DisconnectedEventArgs
{
ReplyCode = e.ReplyCode,
ReplyText = e.ReplyText
});
logger.Disconnect(new DisconnectContext(connectionParams, e.ReplyCode, e.ReplyText));
channelInstance = null;
if (!isClosing)
taskQueue.Value.Add(() => WithRetryableChannel(channel => { }));
};
channelInstance.BasicReturn += HandleBasicReturn;
channelInstance.BasicAcks += HandleBasicAck;
channelInstance.BasicNacks += HandleBasicNack;
connectedDateTime = DateTime.UtcNow;
var connectedEventArgs = new ConnectedEventArgs
{
ConnectionParams = connectionParams,
LocalPort = connection.LocalPort
};
if (isReconnect)
ConnectionEventListener?.Reconnected(connectedEventArgs);
else
ConnectionEventListener?.Connected(connectedEventArgs);
logger.ConnectSuccess(new ConnectContext(connectionParams, isReconnect, connection.LocalPort));
isReconnect = true;
break;
}
catch (BrokerUnreachableException e)
while (true)
{
logger.ConnectFailed(new ConnectContext(connectionParams, isReconnect, exception: e));
Thread.Sleep(ReconnectDelay);
}
}
try
{
if (connection != null)
{
try
{
connection.Close();
}
finally
{
connection.Dispose();
}
return channelInstance;
connection = null;
}
logger.Connect(new ConnectContext(connectionParams, isReconnect));
connection = connectionFactory.CreateConnection();
consumeChannelModel = connection.CreateModel();
if (consumeChannel == null)
throw new BrokerUnreachableException(null);
publishChannelModel = connection.CreateModel();
if (publishChannel == null)
throw new BrokerUnreachableException(null);
if (config.Features.PublisherConfirms)
{
lastDeliveryTag = 0;
Monitor.Enter(confirmLock);
try
{
foreach (var pair in confirmMessages)
pair.Value.CompletionSource.SetCanceled();
confirmMessages.Clear();
}
finally
{
Monitor.Exit(confirmLock);
}
publishChannelModel.ConfirmSelect();
}
if (connectionParams.PrefetchCount > 0)
consumeChannelModel.BasicQos(0, connectionParams.PrefetchCount, false);
var capturedConsumeChannelModel = consumeChannelModel;
consumeChannelModel.ModelShutdown += (_, e) =>
{
lock (connectionLock)
{
if (consumeChannelModel == null || consumeChannelModel != capturedConsumeChannelModel)
return;
consumeChannelModel = null;
}
ConnectionEventListener?.Disconnected(new DisconnectedEventArgs
{
ReplyCode = e.ReplyCode,
ReplyText = e.ReplyText
});
logger.Disconnect(new DisconnectContext(connectionParams, e.ReplyCode, e.ReplyText));
// Reconnect if the disconnect was unexpected
if (!isClosing)
GetTapetiChannel(TapetiChannelType.Consume).QueueRetryable(_ => { });
};
var capturedPublishChannelModel = publishChannelModel;
publishChannelModel.ModelShutdown += (_, _) =>
{
lock (connectionLock)
{
if (publishChannelModel == null || publishChannelModel != capturedPublishChannelModel)
return;
publishChannelModel = null;
}
// No need to reconnect, the next Publish will
};
publishChannelModel.BasicReturn += HandleBasicReturn;
publishChannelModel.BasicAcks += HandleBasicAck;
publishChannelModel.BasicNacks += HandleBasicNack;
connectedDateTime = DateTime.UtcNow;
var connectedEventArgs = new ConnectedEventArgs
{
ConnectionParams = connectionParams,
LocalPort = connection.LocalPort
};
if (isReconnect)
ConnectionEventListener?.Reconnected(connectedEventArgs);
else
ConnectionEventListener?.Connected(connectedEventArgs);
logger.ConnectSuccess(new ConnectContext(connectionParams, isReconnect, connection.LocalPort));
isReconnect = true;
break;
}
catch (BrokerUnreachableException e)
{
logger.ConnectFailed(new ConnectContext(connectionParams, isReconnect, exception: e));
Thread.Sleep(ReconnectDelay);
}
}
return channelType == TapetiChannelType.Publish
? publishChannelModel
: consumeChannelModel;
}
}

75
Tapeti/Connection/TapetiConsumer.cs
View File

@ -44,9 +44,16 @@ namespace Tapeti.Connection
object message = null;
try
{
message = messageSerializer.Deserialize(body, properties);
if (message == null)
throw new ArgumentException("Message body could not be deserialized into a message object", nameof(body));
try
{
message = messageSerializer.Deserialize(body, properties);
if (message == null)
throw new ArgumentException($"Message body for routing key '{routingKey}' could not be deserialized into a message object", nameof(body));
}
catch (Exception e)
{
throw new ArgumentException($"Message body for routing key '{routingKey}' could not be deserialized into a message object: {e.Message}", nameof(body), e);
}
return await DispatchMessage(message, new MessageContextData
{
@ -57,7 +64,7 @@ namespace Tapeti.Connection
}
catch (Exception dispatchException)
{
using (var emptyContext = new MessageContext
await using var emptyContext = new MessageContext
{
Config = config,
Queue = queueName,
@ -66,12 +73,11 @@ namespace Tapeti.Connection
Message = message,
Properties = properties,
Binding = null
})
{
var exceptionContext = new ExceptionStrategyContext(emptyContext, dispatchException);
HandleException(exceptionContext);
return exceptionContext.ConsumeResult;
}
};
var exceptionContext = new ExceptionStrategyContext(emptyContext, dispatchException);
HandleException(exceptionContext);
return exceptionContext.ConsumeResult;
}
}
@ -100,7 +106,7 @@ namespace Tapeti.Connection
private async Task<ConsumeResult> InvokeUsingBinding(object message, MessageContextData messageContextData, IBinding binding)
{
using (var context = new MessageContext
await using var context = new MessageContext
{
Config = config,
Queue = queueName,
@ -109,25 +115,24 @@ namespace Tapeti.Connection
Message = message,
Properties = messageContextData.Properties,
Binding = binding
})
};
try
{
try
{
await MiddlewareHelper.GoAsync(config.Middleware.Message,
async (handler, next) => await handler.Handle(context, next),
async () => { await binding.Invoke(context); });
await MiddlewareHelper.GoAsync(config.Middleware.Message,
async (handler, next) => await handler.Handle(context, next),
async () => { await binding.Invoke(context); });
await binding.Cleanup(context, ConsumeResult.Success);
return ConsumeResult.Success;
}
catch (Exception invokeException)
{
var exceptionContext = new ExceptionStrategyContext(context, invokeException);
HandleException(exceptionContext);
await binding.Cleanup(context, ConsumeResult.Success);
return ConsumeResult.Success;
}
catch (Exception invokeException)
{
var exceptionContext = new ExceptionStrategyContext(context, invokeException);
HandleException(exceptionContext);
await binding.Cleanup(context, exceptionContext.ConsumeResult);
return exceptionContext.ConsumeResult;
}
await binding.Cleanup(context, exceptionContext.ConsumeResult);
return exceptionContext.ConsumeResult;
}
}
@ -158,18 +163,12 @@ namespace Tapeti.Connection
private static bool IgnoreExceptionDuringShutdown(Exception e)
{
switch (e)
return e switch
{
case AggregateException aggregateException:
return aggregateException.InnerExceptions.Any(IgnoreExceptionDuringShutdown);
case TaskCanceledException _:
case OperationCanceledException _: // thrown by CancellationTokenSource.ThrowIfCancellationRequested
return true;
default:
return e.InnerException != null && IgnoreExceptionDuringShutdown(e.InnerException);
}
AggregateException aggregateException => aggregateException.InnerExceptions.Any(IgnoreExceptionDuringShutdown),
TaskCanceledException or OperationCanceledException => true,
_ => e.InnerException != null && IgnoreExceptionDuringShutdown(e.InnerException)
};
}

4
Tapeti/Connection/TapetiPublisher.cs
View File

@ -118,9 +118,7 @@ namespace Tapeti.Connection
{
var writableProperties = new MessageProperties(properties);
if (!writableProperties.Timestamp.HasValue)
writableProperties.Timestamp = DateTime.UtcNow;
writableProperties.Timestamp ??= DateTime.UtcNow;
writableProperties.Persistent = true;

10
Tapeti/Connection/TapetiSubscriber.cs
View File

@ -13,7 +13,7 @@ namespace Tapeti.Connection
private readonly Func<ITapetiClient> clientFactory;
private readonly ITapetiConfig config;
private bool consuming;
private readonly List<string> consumerTags = new List<string>();
private readonly List<string> consumerTags = new();
private CancellationTokenSource initializeCancellationTokenSource;
@ -166,7 +166,7 @@ namespace Tapeti.Connection
public List<Type> MessageClasses;
}
private readonly Dictionary<string, List<DynamicQueueInfo>> dynamicQueues = new Dictionary<string, List<DynamicQueueInfo>>();
private readonly Dictionary<string, List<DynamicQueueInfo>> dynamicQueues = new();
protected CustomBindingTarget(Func<ITapetiClient> clientFactory, IRoutingKeyStrategy routingKeyStrategy, IExchangeStrategy exchangeStrategy, CancellationToken cancellationToken)
@ -277,8 +277,8 @@ namespace Tapeti.Connection
private class DeclareDurableQueuesBindingTarget : CustomBindingTarget
{
private readonly Dictionary<string, List<Type>> durableQueues = new Dictionary<string, List<Type>>();
private readonly HashSet<string> obsoleteDurableQueues = new HashSet<string>();
private readonly Dictionary<string, List<Type>> durableQueues = new();
private readonly HashSet<string> obsoleteDurableQueues = new();
public DeclareDurableQueuesBindingTarget(Func<ITapetiClient> clientFactory, IRoutingKeyStrategy routingKeyStrategy, IExchangeStrategy exchangeStrategy, CancellationToken cancellationToken) : base(clientFactory, routingKeyStrategy, exchangeStrategy, cancellationToken)
@ -358,7 +358,7 @@ namespace Tapeti.Connection
private class PassiveDurableQueuesBindingTarget : CustomBindingTarget
{
private readonly List<string> durableQueues = new List<string>();
private readonly List<string> durableQueues = new();
public PassiveDurableQueuesBindingTarget(Func<ITapetiClient> clientFactory, IRoutingKeyStrategy routingKeyStrategy, IExchangeStrategy exchangeStrategy, CancellationToken cancellationToken) : base(clientFactory, routingKeyStrategy, exchangeStrategy, cancellationToken)

17
Tapeti/Default/ConsoleLogger.cs
View File

@ -1,4 +1,6 @@
using System;
using System.Collections.Generic;
using System.Text;
using Tapeti.Config;
namespace Tapeti.Default
@ -60,6 +62,21 @@ namespace Tapeti.Default
: $"[Tapeti] Verifying durable queue {queueName}");
}
/// <inheritdoc />
public void QueueExistsWarning(string queueName, Dictionary<string, string> arguments)
{
var argumentsText = new StringBuilder();
foreach (var pair in arguments)
{
if (argumentsText.Length > 0)
argumentsText.Append(", ");
argumentsText.Append($"{pair.Key} = {pair.Value}");
}
Console.WriteLine($"[Tapeti] Durable queue {queueName} exists with incompatible x-arguments ({argumentsText}) and will not be redeclared, queue will be consumed as-is");
}
/// <inheritdoc />
public void QueueBind(string queueName, bool durable, string exchange, string routingKey)
{

2
Tapeti/Default/ControllerBindingContext.cs
View File

@ -9,7 +9,7 @@ namespace Tapeti.Default
internal class ControllerBindingContext : IControllerBindingContext
{
private BindingTargetMode? bindingTargetMode;
private readonly List<IControllerMiddlewareBase> middleware = new List<IControllerMiddlewareBase>();
private readonly List<IControllerMiddlewareBase> middleware = new();
private readonly List<ControllerBindingParameter> parameters;
private readonly ControllerBindingResult result;

119
Tapeti/Default/ControllerMethodBinding.cs
View File

@ -160,37 +160,35 @@ namespace Tapeti.Default
public async Task Invoke(IMessageContext context)
{
var controller = dependencyResolver.Resolve(bindingInfo.ControllerType);
using (var controllerContext = new ControllerMessageContext(context)
await using var controllerContext = new ControllerMessageContext(context)
{
Controller = controller
})
{
if (!await FilterAllowed(controllerContext))
return;
};
if (!await FilterAllowed(controllerContext))
return;
await MiddlewareHelper.GoAsync(
bindingInfo.MessageMiddleware,
async (handler, next) => await handler.Handle(controllerContext, next),
async () => await messageHandler(controllerContext));
}
await MiddlewareHelper.GoAsync(
bindingInfo.MessageMiddleware,
async (handler, next) => await handler.Handle(controllerContext, next),
async () => await messageHandler(controllerContext));
}
/// <inheritdoc />
public async Task Cleanup(IMessageContext context, ConsumeResult consumeResult)
{
using (var controllerContext = new ControllerMessageContext(context)
await using var controllerContext = new ControllerMessageContext(context)
{
Controller = null
})
{
await MiddlewareHelper.GoAsync(
bindingInfo.CleanupMiddleware,
async (handler, next) => await handler.Cleanup(controllerContext, consumeResult, next),
() => Task.CompletedTask);
}
};
await MiddlewareHelper.GoAsync(
bindingInfo.CleanupMiddleware,
async (handler, next) => await handler.Cleanup(controllerContext, consumeResult, next),
() => Task.CompletedTask);
}
@ -213,7 +211,7 @@ namespace Tapeti.Default
private delegate Task MessageHandlerFunc(IControllerMessageContext context);
private static MessageHandlerFunc WrapMethod(MethodInfo method, IEnumerable<ValueFactory> parameterFactories, ResultHandler resultHandler)
private MessageHandlerFunc WrapMethod(MethodInfo method, IEnumerable<ValueFactory> parameterFactories, ResultHandler resultHandler)
{
if (resultHandler != null)
return WrapResultHandlerMethod(method, parameterFactories, resultHandler);
@ -231,49 +229,98 @@ namespace Tapeti.Default
}
private static MessageHandlerFunc WrapResultHandlerMethod(MethodBase method, IEnumerable<ValueFactory> parameterFactories, ResultHandler resultHandler)
private MessageHandlerFunc WrapResultHandlerMethod(MethodBase method, IEnumerable<ValueFactory> parameterFactories, ResultHandler resultHandler)
{
return context =>
{
var result = method.Invoke(context.Controller, parameterFactories.Select(p => p(context)).ToArray());
return resultHandler(context, result);
try
{
var result = method.Invoke(context.Controller, parameterFactories.Select(p => p(context)).ToArray());
return resultHandler(context, result);
}
catch (Exception e)
{
AddExceptionData(e);
throw;
}
};
}
private static MessageHandlerFunc WrapNullMethod(MethodBase method, IEnumerable<ValueFactory> parameterFactories)
private MessageHandlerFunc WrapNullMethod(MethodBase method, IEnumerable<ValueFactory> parameterFactories)
{
return context =>
{
method.Invoke(context.Controller, parameterFactories.Select(p => p(context)).ToArray());
return Task.CompletedTask;
try
{
method.Invoke(context.Controller, parameterFactories.Select(p => p(context)).ToArray());
return Task.CompletedTask;
}
catch (Exception e)
{
AddExceptionData(e);
throw;
}
};
}
private static MessageHandlerFunc WrapTaskMethod(MethodBase method, IEnumerable<ValueFactory> parameterFactories)
{
return context => (Task)method.Invoke(context.Controller, parameterFactories.Select(p => p(context)).ToArray());
}
private static MessageHandlerFunc WrapGenericTaskMethod(MethodBase method, IEnumerable<ValueFactory> parameterFactories)
private MessageHandlerFunc WrapTaskMethod(MethodBase method, IEnumerable<ValueFactory> parameterFactories)
{
return context =>
{
return (Task<object>)method.Invoke(context.Controller, parameterFactories.Select(p => p(context)).ToArray());
try
{
return (Task) method.Invoke(context.Controller, parameterFactories.Select(p => p(context)).ToArray());
}
catch (Exception e)
{
AddExceptionData(e);
throw;
}
};
}
private static MessageHandlerFunc WrapObjectMethod(MethodBase method, IEnumerable<ValueFactory> parameterFactories)
private MessageHandlerFunc WrapGenericTaskMethod(MethodBase method, IEnumerable<ValueFactory> parameterFactories)
{
return context =>
{
return Task.FromResult(method.Invoke(context.Controller, parameterFactories.Select(p => p(context)).ToArray()));
try
{
return (Task<object>)method.Invoke(context.Controller, parameterFactories.Select(p => p(context)).ToArray());
}
catch (Exception e)
{
AddExceptionData(e);
throw;
}
};
}
private MessageHandlerFunc WrapObjectMethod(MethodBase method, IEnumerable<ValueFactory> parameterFactories)
{
return context =>
{
try
{
return Task.FromResult(method.Invoke(context.Controller, parameterFactories.Select(p => p(context)).ToArray()));
}
catch (Exception e)
{
AddExceptionData(e);
throw;
}
};
}
private void AddExceptionData(Exception exception)
{
exception.Data["Tapeti.Controller.Name"] = bindingInfo.ControllerType?.FullName;
exception.Data["Tapeti.Controller.Method"] = bindingInfo.Method?.Name;
}
/// <summary>
/// Contains information about the queue linked to the controller method.

4
Tapeti/Default/JsonMessageSerializer.cs
View File

@ -16,8 +16,8 @@ namespace Tapeti.Default
private const string ClassTypeHeader = "classType";
private readonly ConcurrentDictionary<string, Type> deserializedTypeNames = new ConcurrentDictionary<string, Type>();
private readonly ConcurrentDictionary<Type, string> serializedTypeNames = new ConcurrentDictionary<Type, string>();
private readonly ConcurrentDictionary<string, Type> deserializedTypeNames = new();
private readonly ConcurrentDictionary<Type, string> serializedTypeNames = new();
private readonly JsonSerializerSettings serializerSettings;

2
Tapeti/Default/MessageContext.cs
View File

@ -7,7 +7,7 @@ namespace Tapeti.Default
{
internal class MessageContext : IMessageContext
{
private readonly Dictionary<string, object> items = new Dictionary<string, object>();
private readonly Dictionary<string, object> items = new();
/// <inheritdoc />

2
Tapeti/Default/MessageProperties.cs
View File

@ -10,7 +10,7 @@ namespace Tapeti.Default
/// </summary>
public class MessageProperties : IMessageProperties
{
private readonly Dictionary<string, string> headers = new Dictionary<string, string>();
private readonly Dictionary<string, string> headers = new();
/// <inheritdoc />

2
Tapeti/Default/NamespaceMatchExchangeStrategy.cs
View File

@ -13,7 +13,7 @@ namespace Tapeti.Default
/// </example>
public class NamespaceMatchExchangeStrategy : IExchangeStrategy
{
private static readonly Regex NamespaceRegex = new Regex("^(Messaging\\.)?(?<exchange>[^\\.]+)", RegexOptions.Compiled | RegexOptions.Singleline);
private static readonly Regex NamespaceRegex = new("^(Messaging\\.)?(?<exchange>[^\\.]+)", RegexOptions.Compiled | RegexOptions.Singleline);
/// <inheritdoc />

3
Tapeti/Default/RabbitMQMessageProperties.cs
View File

@ -87,8 +87,7 @@ namespace Tapeti.Default
/// <inheritdoc />
public void SetHeader(string name, string value)
{
if (BasicProperties.Headers == null)
BasicProperties.Headers = new Dictionary<string, object>();
BasicProperties.Headers ??= new Dictionary<string, object>();
if (BasicProperties.Headers.ContainsKey(name))
BasicProperties.Headers[name] = Encoding.UTF8.GetBytes(value);

4
Tapeti/Default/TypeNameRoutingKeyStrategy.cs
View File

@ -28,9 +28,9 @@ namespace Tapeti.Default
(?(?<=[A-Z])[A-Z](?=[a-z])|[A-Z])
)";
private static readonly Regex SeparatorRegex = new Regex(SeparatorPattern, RegexOptions.IgnorePatternWhitespace | RegexOptions.Compiled);
private static readonly Regex SeparatorRegex = new(SeparatorPattern, RegexOptions.IgnorePatternWhitespace | RegexOptions.Compiled);
private static readonly ConcurrentDictionary<Type, string> RoutingKeyCache = new ConcurrentDictionary<Type, string>();
private static readonly ConcurrentDictionary<Type, string> RoutingKeyCache = new();
/// <inheritdoc />

2
Tapeti/Helpers/ConnectionstringParser.cs
View File

@ -8,7 +8,7 @@ namespace Tapeti.Helpers
/// </summary>
public class ConnectionStringParser
{
private readonly TapetiConnectionParams result = new TapetiConnectionParams();
private readonly TapetiConnectionParams result = new();
private readonly string connectionstring;
private int pos = -1;

11
Tapeti/ILogger.cs
View File

@ -1,4 +1,5 @@
using System;
using System.Collections.Generic;
using Tapeti.Config;
// ReSharper disable UnusedMember.Global
@ -130,6 +131,16 @@ namespace Tapeti
/// <param name="passive">Indicates whether the queue was declared as passive (to verify durable queues)</param>
void QueueDeclare(string queueName, bool durable, bool passive);
/// <summary>
/// Called when a durable queue would be declared but already exists with incompatible x-arguments. The existing
/// queue will be consumed without declaring to prevent errors during startup. This is used for compatibility with existing queues
/// not declared by Tapeti.
/// If the queue already exists but should be compatible QueueDeclare will be called instead.
/// </summary>
/// <param name="queueName">The name of the queue that is declared</param>
/// <param name="arguments">The x-arguments of the existing queue</param>
void QueueExistsWarning(string queueName, Dictionary<string, string> arguments);
/// <summary>
/// Called before a binding is added to a queue.
/// </summary>

1
Tapeti/ISubscriber.cs
View File

@ -2,6 +2,7 @@
using System.Threading.Tasks;
// ReSharper disable UnusedMember.Global
// ReSharper disable UnusedMemberInSuper.Global
namespace Tapeti
{

1
Tapeti/Tapeti.csproj
View File

@ -11,6 +11,7 @@
<PackageLicenseExpression>Unlicense</PackageLicenseExpression>
<PackageProjectUrl>https://github.com/MvRens/Tapeti</PackageProjectUrl>
<PackageIcon>Tapeti.png</PackageIcon>
<LangVersion>latest</LangVersion>
</PropertyGroup>
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|AnyCPU'">

14
Tapeti/TapetiConfig.cs
View File

@ -18,7 +18,7 @@ namespace Tapeti
public class TapetiConfig : ITapetiConfigBuilder, ITapetiConfigBuilderAccess
{
private Config config;
private readonly List<IControllerBindingMiddleware> bindingMiddleware = new List<IControllerBindingMiddleware>();
private readonly List<IControllerBindingMiddleware> bindingMiddleware = new();
/// <inheritdoc />
@ -112,7 +112,7 @@ namespace Tapeti
default:
throw new ArgumentException(
$"Unsupported middleware implementation: {(middleware == null ? "null" : middleware.GetType().Name)}");
$"Unsupported middleware implementation: {middleware?.GetType().Name ?? "null"}");
}
}
}
@ -224,9 +224,9 @@ namespace Tapeti
/// <inheritdoc />
internal class Config : ITapetiConfig
{
private readonly ConfigFeatures features = new ConfigFeatures();
private readonly ConfigMiddleware middleware = new ConfigMiddleware();
private readonly ConfigBindings bindings = new ConfigBindings();
private readonly ConfigFeatures features = new();
private readonly ConfigMiddleware middleware = new();
private readonly ConfigBindings bindings = new();
public IDependencyResolver DependencyResolver { get; }
public ITapetiConfigFeatues Features => features;
@ -290,8 +290,8 @@ namespace Tapeti
internal class ConfigMiddleware : ITapetiConfigMiddleware
{
private readonly List<IMessageMiddleware> messageMiddleware = new List<IMessageMiddleware>();
private readonly List<IPublishMiddleware> publishMiddleware = new List<IPublishMiddleware>();
private readonly List<IMessageMiddleware> messageMiddleware = new();
private readonly List<IPublishMiddleware> publishMiddleware = new();
public IReadOnlyList<IMessageMiddleware> Message => messageMiddleware;

2
Tapeti/TapetiConnectionParams.cs
View File

@ -60,7 +60,7 @@ namespace Tapeti
/// will be overwritten. See DefaultClientProperties in Connection.cs in the RabbitMQ .NET client source for the default values.
/// </remarks>
public IDictionary<string, string> ClientProperties {
get => clientProperties ?? (clientProperties = new Dictionary<string, string>());
get => clientProperties ??= new Dictionary<string, string>();
set => clientProperties = value;
}

10
Tapeti/Tasks/SingleThreadTaskQueue.cs
View File

@ -12,10 +12,10 @@ namespace Tapeti.Tasks
/// </summary>
public class SingleThreadTaskQueue : IDisposable
{
private readonly object previousTaskLock = new object();
private readonly object previousTaskLock = new();
private Task previousTask = Task.CompletedTask;
private readonly Lazy<SingleThreadTaskScheduler> singleThreadScheduler = new Lazy<SingleThreadTaskScheduler>();
private readonly Lazy<SingleThreadTaskScheduler> singleThreadScheduler = new();
/// <summary>
@ -26,7 +26,7 @@ namespace Tapeti.Tasks
{
lock (previousTaskLock)
{
previousTask = previousTask.ContinueWith(t => action(), CancellationToken.None
previousTask = previousTask.ContinueWith(_ => action(), CancellationToken.None
, TaskContinuationOptions.None
, singleThreadScheduler.Value);
@ -43,7 +43,7 @@ namespace Tapeti.Tasks
{
lock (previousTaskLock)
{
var task = previousTask.ContinueWith(t => func(), CancellationToken.None
var task = previousTask.ContinueWith(_ => func(), CancellationToken.None
, TaskContinuationOptions.None
, singleThreadScheduler.Value);
@ -70,7 +70,7 @@ namespace Tapeti.Tasks
public override int MaximumConcurrencyLevel => 1;
private readonly Queue<Task> scheduledTasks = new Queue<Task>();
private readonly Queue<Task> scheduledTasks = new();
private bool disposed;